Etymograph

English

infiltratrix

Formed as infiltrate + -trix, after infiltrator.

Formed from infiltrate + -trix

Medieval Latin infiltrātus

Middle English infiltrate

English infiltrate

The story

Formed as infiltrate + -trix, after infiltrator.

Today it means

noun A woman who infiltrates; a female infiltrator.

Language periods are conventional ranges, not dates for this word.

Etymograph / infiltratrix